JEE MainPhysicsUnits and MeasurementsMCQ+4 / −1
The force of interaction between two atoms is given by F = exp ; where x is the distance, k is the Boltzmann constant and T is temperature and and are two constants. The dimension of is :
- AM2L2T 2
- BM2LT 4
- CMLT 4
- DM0L2LT 4
More from Units and Measurements
- If speed (V), acceleration (A) and force (F) are considered as fundamental units, the dimension of Young,s modulus will be:2019 · MCQ
- Which of the following combinations has the dimension of electrical resistance ( 0 is the permittivity of vacuum and 0 is the permeability of vacuum)?2019 · MCQ
- The least count of the main scale of a screw gauge is 1 mm. The minimum number of divisions on its circular scale required to measure 5 m diameter of a wire is :2019 · MCQ
- Let , r, C and V represent inductance, resistance, capacitance and voltage, respectively. The dimension of in SI units will be :2019 · MCQ
- In a screw gauge, complete rotations of the screw cause it to move a linear distance of There are circular scale divisions. The thickness of a wire measured by this screw gauge gives a reading of main scale…2018 · MCQ
- The relative error in the determination of the surface area of sphere is . Then the relative error in the determination of its volume is :2018 · MCQ
- The characteristic distance at which quantum gravitational effects are significant, the Planck length, can be determined from a suitable combination of the fundamental physical constants G, h and c. Which of the following correctly gives…2018 · MCQ
- The relative uncertainly in the period of a satellite orbiting around the earth is 10-2. If the relative uncertainty in the radius of the orbit is negligible, the relative uncertainty in the mass of the earth is :2018 · MCQ